The impact behavior of stiffened and unstiffened square aluminum panels under fixed boundary conditions was investigated experimentally and theoretically, and the ultimate energy-absorbing characteristics were determined as a function of geometry. The effect of rigid, closed-cell foam (2-lb/cubic foot urethane) on an unstiffened panel was also investigated. A geometric scaling law was developed to extrapolate experimental results to sizes needed for the underbody collision protection system fo surface effect vehicles for Arctic operation. Protection levels were determined as a function of allowable vertical impact velocity and craft weight.


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    Title :

    Energy Absorption and Impact Behavior of Stiffened and Unstiffened Aluminum Panels


    Contributors:
    A. J. Furio (author) / W. E. Gilbert (author)

    Publication date :

    1974


    Size :

    70 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English